. >> ifill: and vice president joe biden hangs out with hari sreenivasan on google plus to talk about gun violence. >> make your voices heard. this town listens when people rise up and speak. >> ifill: that's all ahead on tonight's "newshour." >> major funding for the pbs newshour has been provided by: >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> brown: the u.s. military has a new order of the day: working up plans for putting women on the front lines. the process was set in motion today at the pentagon. >> not everyone is going to be able to be a combat soldier. but everyone is entitled to a chance. >> brown: with that, defense secretary leon panetta-- joined by the chair of the joint chiefs of staff, general martin dempsey-- announced he's ending a